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. Author manuscript; available in PMC: 2018 Jul 26.
Published in final edited form as: Otolaryngol Head Neck Surg. 2017 Jan 31;156(4):741–750. doi: 10.1177/0194599816687751

Table 2:

Pearson and Kendall’s tau correlation coefficients, 95% confidence intervals (CI), and P values between CFD variables and subjective nasal patency (NOSE and VAS scores), narrow side only.

Subjective scores vs objective variable
(Narrow side)
Pearson correlation Kendall’s tau correlation
r 95% CI P Value rho 95% CI P Value
NOSE
  Unilateral Airflow (ml/s) -0.55 -0.24 to −0.76 0.0016 -0.35 -0.14 to −0.56 0.001
  Unilateral Resistance (Pa.s/ml) - - N.S. 0.40 0.21 to 0.58 <0.0001
  Unilateral Heat Flux (W/m2) -0.48 -0.14 to −0.72 0.0075 - - N.S.
  SAHF50 (cm2) -0.55 -0.24 to −0.76 0.0016 -0.38 -0.14 to −0.62 0.0016
  Inferior region airflow (ml/s) - - N.S. - - N.S.
  Middle region airflow (ml/s) -0.76 -0.56 to −0.88 <0.0001 -0.54 -0.38 to −0.69 <0.0001
  Superior region airflow (ml/s) - - N.S. - - N.S.
VAS
  Unilateral Airflow (ml/s) -0.49 -0.16 to −0.73 0.0056 -0.32 -0.12 to −0.53 0.0018
  Unilateral Resistance (Pa.s/ml) - - N.S. 0.41 0.22 to 0.61 <0.0001
  Unilateral Heat Flux (W/m2) -0.43 -0.09 to −0.69 0.0166 - - N.S.
  SAHF50(cm2) -0.51 -0.19 to −0.74 0.0038 -0.37 -0.17 to −0.58 0.0004
  Inferior region airflow (ml/s) - - N.S. - - N.S.
  Middle region airflow (ml/s) -0.64 -0.36 to −0.81 0.0002 -0.38 -0.19 to −0.58 0.0002
  Superior region airflow (ml/s) - - N.S. - - N.S.

Abbreviations: N.S. = Not significant; SAHF50 = Surface area where heat flux > 50 W/m2.